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EQUATIONS OF MOTION FOR A MODIFIED POINT MASS TRAJECTORY
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
A modified point mass mathematical model, which incorporates an estimate of the yaw of repose, has been developed to represent the flight of a spin stabilized, dynamically stable, artillery shell. This improved mathematical model has the desirable feature of representing the effects of the significant variables of yaw of repose and axial spin along the trajectory.